Wear resistant tool steels

[hardheart]

This is from a 2002 plastics brochure from Crucible. I've referenced it before, just thought I'd throw it out there again for anyone confused about what people talk about with toughness and wear resistance comparisons. Notice the hardness levels for the steels as well. S90V is a couple points low for knife purposes, so the wear goes up slightly and the toughness drops a bit as well when hardened closer to 58-60. 3V is also about 20% off it's toughness peak by being listed at 60 instead of 58.

 

[gine]

Cpm 10 v is 4 points below what it should be at for a knife blade and so is s90v. 3v is about what I would want and m4 is fine at 62 but 63-64 range is better for a slicer type blade. S30v is great a 60-61 range.
Very interesting thanks for posting the chart!

 

[JDunn709]

Wow, thanks for posting. Very interesting.

 

[Big Mike]

Cpm 10 v is 4 points below what it should be at for a knife blade and so is s90v. 3v is about what I would want and m4 is fine at 62 but 63-64 range is better for a slicer type blade. S30v is great a 60-61 range.
Very interesting thanks for posting the chart!

Being this is from a Plastics Brochure the chart does not focus on thin cutting edges,

..the hardness shown for the different steels is optimized for much different uses.


Still interesting, I'd like to see a more updated chart.




Big Mike

 

[gine]

I know it's a plastics chart. But thanks for pointing that out.